Polyamide/Polypropylene/graphene oxide nanocomposites with functional compatibilizers: Morpho-structural and physico-mechanical characterization

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Abstract

Nanofilled polymeric matrices have demonstrated remarkable mechanical, electrical, and thermal properties. Compounding polymers with nanofiller is widely used for the preparation of new materials. Polyamide/polypropylene (PA/PP) composites are interesting because both components are relatively cheap, with advantageous properties, and are processable by melt blending. The compatibilisation of binary polymer compounds can be made by the addition of graft copolymer, segments of which have physical or chemical affinity with two immiscible homopolymers. In this case, polypropylene grafted with maleic anhydride (PP-g-MA) it was used. Polymer nanocomposites containing graphite have been considered as a new generation of composites materials due to their expected unique properties attributed to the high aspect ratio of the inorganic pellets. Combined effects of graphite treatment and compatibilizer polymers (PP-g-MA) on the structure and properties of PA/PP/PP-g-MA/graphene oxide composites were studies. The optimum formulation was used to prepare a series of nanocomposites under different technological conditions. The nanocomposites PA/PP/PP-g-MA/graphene oxide were characterized by scanning electron microscopy (SEM), Fourier transformation infrared spectrum (FT-IR) and physico-mechanical.

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Alexandrescu, L., Sönmez, M., Georgescu, M., Niţuicǎ, M., Ficai, A., Trusca, R., … Tudoroiu, L. (2017). Polyamide/Polypropylene/graphene oxide nanocomposites with functional compatibilizers: Morpho-structural and physico-mechanical characterization. In Procedia Structural Integrity (Vol. 5, pp. 675–682). Elsevier B.V. https://doi.org/10.1016/j.prostr.2017.07.042

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